To trigger the relay you add 5v to one side of the coil, 0v to the other side and vice versa. I only need to send a pulse to one side at a time. the positive and negative is just to keep track whats the orientation of the coil at that time
To trigger the relay you add 5v to one side of the coil, 0v to the other side and vice versa. I only need to send a pulse to one side at a time. the positive and negative is just to keep track whats the orientation of the coil at that time